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Innovative Method to Expand a Degree of Freedom of Observation in the Depth Direction without Losses of the Horizontal Number of Views in Autostereoscopic Multi-Views 3D Display System

시차장벽식 무안경 다시점 입체디스플레이 시스템에서 수평방향의 시점 수 저하 없이 깊이방향의 자유도를 증가시키기 위한 혁신적 방법

  • 이광훈 (한국광기술원 3D융합연구센터) ;
  • 박민철 (한국과학기술연구원 센서시스템연구센터)
  • Received : 2013.07.23
  • Accepted : 2013.10.11
  • Published : 2013.10.31

Abstract

An autostereoscopic multi-view 3D display system has the narrower degrees of freedom in the observational directions, such as the horizontal and perpendicular directions to the display plane, than the glasses-on type of 3D display. In this paper, we propose an innovative method to expand the width of the viewing zone formed in the depth direction while maintaining the number of views in the horizontal direction by using a triple segmented-slanted parallax barrier (TS-SPB) in the glasses-off type of 3D display. The validity of the proposal was verified by an optical simulation based on an environment similar to an actual case. The maximum number of views that can be displayed in the horizontal direction is 2n, and the width of the viewing zone with depth increased up to a factor of 3.36 compared to the existing one-layered parallax barrier system.

무안경방식 스테레오스코픽 3D 디스플레이 시스템은 수평, 깊이방향에 대한 관찰자유도가 안경방식에 비해 매우 좁다. 본 논문에서는 분할된 3중의 기울어진 시차장벽(TS-SPB)을 사용하여 무안경방식에서 수평방향의 시점수를 유지하면서도 깊이방향의 시역폭을 증가시키는 혁신적인 방법을 제안한다. 본 논의의 당위성은 실제와 유사한 환경에서의 전산모사를 통하여 검증되었다. 결과적으로 색분산이 없는 수평방향의 가용 최대 시점수는 $2^n$이며, 깊이방향의 시역폭은 단일 시차장벽(SPB)의 경우와 비교하여 3.36배 증가하였다.

Keywords

References

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